Patents by Inventor Toshihito Nagai
Toshihito Nagai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20230323883Abstract: Provided is an electric pump having an elastic member that is not easily detached, and the housing formation cost is not high. The electric pump includes a pump body with a housing and an elastic member arranged on an outer circumferential surface of the housing. An elastic member arrangement portion is provided on the outer circumferential surface. A protrusion is provided on the elastic member arrangement portion. The protrusion includes a pillar portion and a fastening portion extending from the pillar portion. The fastening portion has a hook part. The elastic member has holes in two opposite ends, and the holes are engaged with the protrusion. The two opposite ends overlap with each.Type: ApplicationFiled: March 23, 2023Publication date: October 12, 2023Inventors: Tomohiro SAWADA, Daisuke KIRYU, Toshihito NAGAI
-
Patent number: 11686842Abstract: A sonar unit includes: a circuit substrate on which a transducer, electronic components constituting a circuit configured to drive the transducer, and an input-output terminal for the circuit are mounted; and a shield unit. The shield unit includes a plate portion at a position where the plate portion overlaps at least a part of the electronic components when the shield unit is viewed in a thickness direction of the rectangular circuit substrate. The shield unit includes a window portion provided as a through-hole or a notch. The window portion is placed at a position close to the input-output terminal in a longitudinal direction of the rectangular circuit substrate when the window portion is viewed in the thickness direction of the rectangular circuit substrate.Type: GrantFiled: June 15, 2020Date of Patent: June 27, 2023Assignees: AISIN CORPORATION, WHETRON ELECTRONICS (SUZHOU) CO., LTD.Inventors: Chiaki Sumi, Takaaki Nakamura, Toshihito Nagai, Gaoyang Hong
-
Patent number: 11255249Abstract: A valve device includes: a casing having an outflow port in which a fluid outlet opening is formed; a joint joined to an opening end surface of the outlet opening; a valve accommodated in the casing so as to be rotatable or slidable and in which a communication port that can communicate with the outlet opening is formed; and a sliding ring with a sliding surface for sliding on an outer surface of the valve while being accommodated in the outflow port and communicates the outlet and the communication port based upon a position of the valve. At least the outer surface of the valve includes a first resin material that contains a first resin, at least the sliding surface of the sliding ring includes a second resin material that contains a second resin, and the first resin and the second resin are the same type of resin.Type: GrantFiled: September 25, 2018Date of Patent: February 22, 2022Assignee: YAMADA MANUFACTURING CO., LTD.Inventors: Akifumi Ozeki, Toshihito Nagai
-
Patent number: 11192426Abstract: A control apparatus in a cooling system has an opening schedule of a degree of opening of each of a plurality of outflow ports in a control valve including at least a heater cut mode, a heater passing water mode, a fully closed mode, and a switching mode in which the opening and closing of an air conditioning outflow port is switched in a state in which at least one outflow port of a radiator outflow port and a bypass outflow port is opened and switches the heater cut mode and the heater passing water mode via the switching mode.Type: GrantFiled: December 21, 2018Date of Patent: December 7, 2021Assignee: YAMADA MANUFACTURING CO., LTD.Inventors: Akifumi Ozeki, Toshihito Nagai
-
Patent number: 11098808Abstract: A control valve includes a casing, a valve body, and a seal cylinder member. The casing has an inlet and an outlet. The valve body is rotatably disposed inside the casing, and has a peripheral wall portion formed with a valve hole providing communicating between the inside and the outside. One end portion of the seal cylinder member communicates with a downstream side of the outlet, and a valve sliding contact surface is provided at the other end portion. A protruding height of the other end portion of the seal cylinder member continuously changes in a circumferential direction thereof to conform to a shape of an outer circumferential surface of the circumferential wall portion. A region of the other end portion of the seal cylinder member where the protruding height is lower is provided with a thick portion that is thicker than other portions and reaches the valve-sliding contact surface.Type: GrantFiled: December 20, 2019Date of Patent: August 24, 2021Assignee: YAMADA MANUFACTURING CO., LTD.Inventors: Akifumi Ozeki, Toshihito Nagai
-
Publication number: 20200400062Abstract: A valve device includes: a casing having an outflow port in which a fluid outlet opening is formed; a joint joined to an opening end surface of the outlet opening; a valve accommodated in the casing so as to be rotatable or slidable and in which a communication port that can communicate with the outlet opening is formed; and a sliding ring with a sliding surface for sliding on an outer surface of the valve while being accommodated in the outflow port and communicates the outlet and the communication port based upon a position of the valve. At least the outer surface of the valve includes a first resin material that contains a first resin, at least the sliding surface of the sliding ring includes a second resin material that contains a second resin, and the first resin and the second resin are the same type of resin.Type: ApplicationFiled: September 25, 2018Publication date: December 24, 2020Applicant: Yamada Manufacturing Co., Ltd.Inventors: Akifumi OZEKI, Toshihito NAGAI
-
Publication number: 20200393564Abstract: A sonar unit includes: a circuit substrate on which a transducer, electronic components constituting a circuit configured to drive the transducer, and an input-output terminal for the circuit are mounted; and a shield unit. The shield unit includes a plate portion at a position where the plate portion overlaps at least a part of the electronic components when the shield unit is viewed in a thickness direction of the rectangular circuit substrate. The shield unit includes a window portion provided as a through-hole or a notch. The window portion is placed at a position close to the input-output terminal in a longitudinal direction of the rectangular circuit substrate when the window portion is viewed in the thickness direction of the rectangular circuit substrate.Type: ApplicationFiled: June 15, 2020Publication date: December 17, 2020Applicants: AISIN SEIKI KABUSHIKI KAISHA, WHETRON ELECTRONICS (SUZHOU) CO., LTDInventors: Chiaki SUMI, Takaaki NAKAMURA, Toshihito NAGAI, Gaoyang HONG
-
Publication number: 20200309276Abstract: A control valve includes a casing, a valve body, and a seal cylinder member. The casing has an inlet and an outlet. The valve body is rotatably disposed inside the casing, and has a peripheral wall portion formed with a valve hole providing communicating between the inside and the outside. One end portion of the seal cylinder member communicates with a downstream side of the outlet, and a valve sliding contact surface is provided at the other end portion. A protruding height of the other end portion of the seal cylinder member continuously changes in a circumferential direction thereof to conform to a shape of an outer circumferential surface of the circumferential wall portion. A region of the other end portion of the seal cylinder member where the protruding height is lower is provided with a thick portion that is thicker than other portions and reaches the valve-sliding contact surface.Type: ApplicationFiled: December 20, 2019Publication date: October 1, 2020Inventors: Akifumi Ozeki, Toshihito Nagai
-
Publication number: 20200173566Abstract: A control valve having first, second, and third outlet ports, which pass through a casing in a radial direction and formed axially at intervals in the casing, first, second and third communication ports, which respectively communicate between the flow path and the first outlet port, between the flow path and the second outlet port and between the flow path and the third outlet port according to a rotational position of the valve, are formed at intervals in the axial direction in the valve. The second outlet port is located between the first and third outlet ports in the axial direction and also located at a different position from the first and third outlet ports in a circumferential direction. An opening width of the second communication port in the axial direction is narrower than an axial interval between the first and third outlet ports.Type: ApplicationFiled: February 4, 2020Publication date: June 4, 2020Inventors: Akifumi Ozeki, Toshihito Nagai
-
Patent number: 10626999Abstract: A control valve having first, second, and third outlet ports, which pass through a casing in a radial direction and formed axially at intervals in the casing, first, second and third communication ports, which respectively communicate between the flow path and the first outlet port, between the flow path and the second outlet port and between the flow path and the third outlet port according to a rotational position of the valve, are formed at intervals in the axial direction in the valve. The second outlet port is located between the first and third outlet ports in the axial direction and also located at a different position from the first and third outlet ports in a circumferential direction. An opening width of the second communication port in the axial direction is narrower than an axial interval between the first and third outlet ports.Type: GrantFiled: October 20, 2017Date of Patent: April 21, 2020Assignee: Yamada Manufacturing Co., Ltd.Inventors: Akifumi Ozeki, Toshihito Nagai
-
Patent number: 10508748Abstract: There is provided a control valve including a casing, a rotor that has a rotary shaft rotatably supported by the casing via bushings, and a sealing ring that is disposed on an inner side of each bushing in an axial direction. Both end portions of the rotary shaft are formed into stepped shapes which respectively come into contact with the bushings from the inner side in the axial direction. Areas of both the end portions of the rotary shaft projected in the axial direction are set to be equal to each other. Penetration holes which allow portions on outer sides of the sealing rings in the axial direction to be open to the atmosphere are respectively formed on a bottom wall portion and a lid body of the casing.Type: GrantFiled: March 21, 2018Date of Patent: December 17, 2019Assignee: YAMADA MANUFACTURING CO., LTD.Inventors: Akifumi Ozeki, Toshihito Nagai
-
Patent number: 10458562Abstract: There is provided a control valve including a cylindrical casing having an inlet port and a first outlet port for a fluid, and a valve accommodated in the casing to be rotatable around an axis extending in an axial direction of the casing and having a flow path communicating with the inlet port to allow the fluid to flow therethrough, wherein a first communication port communicating with the flow path and the first outlet port according to a rotational position of the valve is formed in the valve, and a fail opening configured to be opened and closed by a thermostat is formed in a portion of the casing facing the inlet port in an opening direction of the inlet port.Type: GrantFiled: October 20, 2017Date of Patent: October 29, 2019Assignee: YAMADA MANUFACTURING CO., LTD.Inventors: Akifumi Ozeki, Toshihito Nagai
-
Publication number: 20190291535Abstract: A control apparatus in a cooling system has an opening schedule of a degree of opening of each of a plurality of outflow ports in a control valve including at least a heater cut mode, a heater passing water mode, a fully closed mode, and a switching mode in which the opening and closing of an air conditioning outflow port is switched in a state in which at least one outflow port of a radiator outflow port and a bypass outflow port is opened and switches the heater cut mode and the heater passing water mode via the switching mode.Type: ApplicationFiled: December 21, 2018Publication date: September 26, 2019Inventors: Akifumi Ozeki, Toshihito Nagai
-
Publication number: 20190292976Abstract: A rotor is configured to be movable among a heater water flow mode in which an air-conditioning outflow port communicates with the inside of a casing through an air-conditioning communication port, a heater cut mode in which communication between the air-conditioning outflow port and the inside of the casing through the air-conditioning communication port is cut off, and a switching mode in which a communicating area with the air-conditioning communication port in the air-conditioning outflow port varies in the process that the rotor shifts between the heater water flow mode and the heater cut mode, and the radiator outflow port communicates with the inside of the casing through the radiator communication port in the switching mode.Type: ApplicationFiled: March 1, 2019Publication date: September 26, 2019Inventors: Akifumi Ozeki, Toshihito Nagai
-
Publication number: 20180335153Abstract: There is provided a control valve including a casing, a rotor that has a rotary shaft rotatably supported by the casing via bushings, and a sealing ring that is disposed on an inner side of each bushing in an axial direction. Both end portions of the rotary shaft are formed into stepped shapes which respectively come into contact with the bushings from the inner side in the axial direction. Areas of both the end portions of the rotary shaft projected in the axial direction are set to be equal to each other. Penetration holes which allow portions on outer sides of the sealing rings in the axial direction to be open to the atmosphere are respectively formed on a bottom wall portion and a lid body of the casing.Type: ApplicationFiled: March 21, 2018Publication date: November 22, 2018Inventors: Akifumi Ozeki, Toshihito Nagai
-
Publication number: 20180119836Abstract: There is provided a control valve including a cylindrical casing having an inlet port and a first outlet port for a fluid, and a valve accommodated in the casing to be rotatable around an axis extending in an axial direction of the casing and having a flow path communicating with the inlet port to allow the fluid to flow therethrough, wherein a first communication port communicating with the flow path and the first outlet port according to a rotational position of the valve is formed in the valve, and a fail opening configured to be opened and closed by a thermostat is formed in a portion of the casing facing the inlet port in an opening direction of the inlet port.Type: ApplicationFiled: October 20, 2017Publication date: May 3, 2018Inventors: Akifumi Ozeki, Toshihito Nagai
-
Publication number: 20180119828Abstract: A control valve having first, second, and third outlet ports, which pass through a casing in a radial direction and formed axially at intervals in the casing, first, second and third communication ports, which respectively communicate between the flow path and the first outlet port, between the flow path and the second outlet port and between the flow path and the third outlet port according to a rotational position of the valve, are formed at intervals in the axial direction in the valve. The second outlet port is located between the first and third outlet ports in the axial direction and also located at a different position from the first and third outlet ports in a circumferential direction. An opening width of the second communication port in the axial direction is narrower than an axial interval between the first and third outlet ports.Type: ApplicationFiled: October 20, 2017Publication date: May 3, 2018Inventors: Akifumi Ozeki, Toshihito Nagai
-
Publication number: 20170284878Abstract: A load detection apparatus is provided, which can protect a control circuit portion reliably while a load sensor and the control circuit portion are arranged compactly. The load detection apparatus includes a base plate, a load sensor provided at a first surface of the base plate, a control circuit portion provided at a position on a second surface of the base plate, the position not overlapping the load sensor in a plan view of the base plate, a protection cover covering the control circuit portion, the protection cover includes a base portion covering at least part of a position on the second surface, the position facing the load sensor with the base plate therebetween, a raised portion being continuous to the base portion, and a cover portion being continuous to the raised portion and covering the control circuit portion.Type: ApplicationFiled: November 17, 2015Publication date: October 5, 2017Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Toshihito NAGAI, Kenichi TAGUCHI, Yasukuni OJIMA
-
Patent number: 9024626Abstract: The detecting device comprises a rotation member with a magnet portion which generates a magnetic field having different polarities arranged alternately in a circumferential direction, a case having a bearing, an angle calculating device and an elastic member which biases the rotation member so that the rotation member is rotated, keeping a constant inclined angle relative to a central axis line of the bearing or a phase difference between a rotation phase of the rotation member and a rotation phase of the bearing rotating about the central axis line thereof with an inclined angle relative to the rotation member is kept constant regardless of the change of the rotation angle of the rotation member.Type: GrantFiled: October 18, 2011Date of Patent: May 5, 2015Assignee: Aisin Seiki Kabushiki KaishaInventors: Wakana Kotani, Toshihito Nagai, Hisayoshi Okuya
-
Publication number: 20130221956Abstract: The detecting device comprises a rotation member with a magnet portion which generates a magnetic field having different polarities arranged alternately in a circumferential direction, a case having a bearing, an angle calculating device and an elastic member which biases the rotation member so that the rotation member is rotated, keeping a constant inclined angle relative to a central axis line of the bearing or a phase difference between a rotation phase of the rotation member and a rotation phase of the bearing rotating about the central axis line thereof with an inclined angle relative to the rotation member is kept constant regardless of the change of the rotation angle of the rotation member.Type: ApplicationFiled: October 18, 2011Publication date: August 29, 2013Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Wakana Kotani, Toshihito Nagai, Hisayoshi Okuya